I'm sure I'll get scolded for this because Pillar is 4-years older, Profar has the better 'Baseball body' and the #1 draft pick in his pocket but Pillar's got better career minor league numbers:
Pillar: .321 .366 .466 .832, 82-26 in SB (1306 AB)
Profar: .278 .370 .438 .807, 53-17 in SB (1240 AB)